Assignee
MATSUI HIROFUMI
2 granted patents·1 pending application·34 citations·filing 1977–2005
Top patents by PatentIndex Score
3 records- 0177US4203771AGreen sand composition for castingMATSUI HIROFUMI·Filed 1978·Granted May 20, 1980·17 cites·18 claims
- 0276US4137085AGreen sand composition for castingMATSUI HIROFUMI·Filed 1977·Granted Jan 30, 1979·17 cites·19 claims
- 0328US2007247347A1Electronic Circuit DeviceMATSUI HIROFUMI·Filed 2005·Application pending·0 cites
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